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#
# parameter validation functions
#
################################################################
#
# Copyright (c) 2016 SUSE LLC
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or 3 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program (see the file COPYING); if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#
################################################################
validate_param=()
validate_buildroot=()
validate_init() {
local cf="$1"
if ! test -f "$cf" ; then
return
fi
local _key _flag _arg
while read _key _flag _arg; do
case $_key in
\#* | '')
continue ;;
ALLOW_PARAM:)
validate_param[${#validate_param[@]}]="${_flag#--} $_arg"
;;
ALLOW_BUILD_ROOT:)
validate_buildroot[${#validate_buildroot[@]}]="$_flag"
;;
*)
cleanup_and_exit 1 "unknown directive in $cf: $_key"
;;
esac
done < "$cf"
}
validate_param() {
local param="$1"
local arg="$2"
local envvar="$3"
if test ${#validate_param[@]} -eq 0 ; then
return
fi
param=${param#-}
param=${param#-}
local t ok=
for t in "${validate_param[@]}" ; do
local targ="${t#$param }"
if test "$t" != "$targ" ; then
if test -z "$targ" -o "$targ" == "$arg" ; then
ok=true
break
fi
fi
done
if test -z "$ok" ; then
if test -n "$envvar" ; then
cleanup_and_exit 1 "build: environment variable $envvar=$arg not allowed"
else
cleanup_and_exit 1 "build: parameter --$param $arg not allowed"
fi
fi
}
validate_buildroot() {
local br="$1"
if test ${#validate_buildroot[@]} -eq 0 ; then
return
fi
local user=${SUDO_USER:-$USER}
local t ok= error="Build root $br not allowed for user $user"
for t in "${validate_buildroot[@]}" ; do
t=${t//\%user/$user}
t=$(readlink -m "$t")
if [[ "$br" == $t ]] ; then
local tp=$(readlink -m "${t%/*}")
if test -d "$tp" ; then
ok=true
break
fi
error="Directory $tp does not exist"
fi
done
if test -z "$ok" ; then
cleanup_and_exit 1 "$error"
fi
}
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